Darshak is an application serving two primary usage -
    * detecting any suspicious activity of being tracked via cellular network for example Silent SMS
    * to assess security capabilities of your current cellular provider in realtime

    It has following key features supporting GSM and 3G cellular networks -
    * detects and alerts when you receive silent SMS
    * invokes after every incoming/outgoing telephony call and SMS event
    * displays whether authentication has been performed by the operator over-the-air and used RAND number
    * displays ciphering algorithms used by your operator for GSM ( A5/1, A5/2, A5/3 ) and 3G networks (UEA0 or UEA1)

    Device and OS version supported
    Samsung Galaxy S3 (GT I9300)

    Android 4.1.2 (If you running other version, please install stock firmware from Samsung)

    For details instructions please visit

    Users review

    from 100 reviews



    Users comments for Darshak

    Kimi Kuparinen

    by Kimi Kuparinen

    Jul 27, 2015  |  "Good"

    Any plans for making it work with Android 5.0/5.1?

    David K

    by David K

    Feb 17, 2015  |  "Good"

    i9300t, rooted stock 4.1.2. loads fine but doesnt log anything or show any ciphering indicator. Clicking refresh reloads the window but thats all. SuperSu shows a root access granted popup after every call/sms so it must be doing something. Darren and Chris, the right people to complain to are the baseband developers. They are the ones who decide to hide important info from users. Its a near mira

    William Ballard

    by William Ballard

    Nov 01, 2014  |  "Poor"

    Didnt work on my Samsung Galaxy Note 3. Need and update so it does.

    Darren Wachter

    by Darren Wachter

    Sep 14, 2014  |  "Poor"

    Why make an app that only runs on outdated hardware and firmware? Let me know when you get to the s4 and 4.4.2 version and I'll download it.

    Scott Schnegelberger

    by Scott Schnegelberger

    Sep 08, 2014  |  "Poor"

    Installed this on an S3 running stock 4.1.2 rooted, thinking it would be a good safety net. Less than a day later, my phone was complaining about being completely out of sdcard storage space. I uninstalled some apps I don't use much and called it good. A few hours later, sdcard was full again (0.00 bytes free), so I had to root-explorer-hunt every directory to figure out why. I found tens of th

    Harry Smith

    by Harry Smith

    Sep 08, 2014  |  "Poor"

    Lots of FC's